Re: [PATCH v2 2/3] pinctrl: meson: Add driver support for Amlogic A4 SoCs

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Hi Krzysztof,
   Thanks for your reply.

On 2024/10/15 16:11, Krzysztof Kozlowski wrote:
[ EXTERNAL EMAIL ]

On 15/10/2024 10:08, Xianwei Zhao wrote:
Hi Krzysztof,
      Thanks for your quick reply.

On 2024/10/15 15:59, Krzysztof Kozlowski wrote:
[ EXTERNAL EMAIL ]

On 15/10/2024 09:54, Xianwei Zhao wrote:
Hi Krzysztof,
       Thanks for your reply.

On 2024/10/15 14:01, Krzysztof Kozlowski wrote:
[ EXTERNAL EMAIL ]

On Mon, Oct 14, 2024 at 05:05:52PM +0800, Xianwei Zhao wrote:
Add a new pinctrl driver for Amlogic A4 SoCs which share
the same register layout as the previous Amlogic S4.

Signed-off-by: Xianwei Zhao <xianwei.zhao@xxxxxxxxxxx>
---
    drivers/pinctrl/meson/Kconfig              |    6 +
    drivers/pinctrl/meson/Makefile             |    1 +
    drivers/pinctrl/meson/pinctrl-amlogic-a4.c | 1176 ++++++++++++++++++++++++++++
    3 files changed, 1183 insertions(+)

diff --git a/drivers/pinctrl/meson/Kconfig b/drivers/pinctrl/meson/Kconfig
index cc397896762c..3e90bb5ec442 100644
--- a/drivers/pinctrl/meson/Kconfig
+++ b/drivers/pinctrl/meson/Kconfig
@@ -67,6 +67,12 @@ config PINCTRL_MESON_S4
         select PINCTRL_MESON_AXG_PMX
         default y

+config PINCTRL_AMLOGIC_A4
+     tristate "Amlogic A4 SoC pinctrl driver"
+     depends on ARM64
+     select PINCTRL_MESON_AXG_PMX
+     default y
+
    config PINCTRL_AMLOGIC_C3
         tristate "Amlogic C3 SoC pinctrl driver"
         depends on ARM64
diff --git a/drivers/pinctrl/meson/Makefile b/drivers/pinctrl/meson/Makefile
index 9e538b9ffb9b..c92a65a83344 100644
--- a/drivers/pinctrl/meson/Makefile
+++ b/drivers/pinctrl/meson/Makefile
@@ -10,5 +10,6 @@ obj-$(CONFIG_PINCTRL_MESON_AXG) += pinctrl-meson-axg.o
    obj-$(CONFIG_PINCTRL_MESON_G12A) += pinctrl-meson-g12a.o
    obj-$(CONFIG_PINCTRL_MESON_A1) += pinctrl-meson-a1.o
    obj-$(CONFIG_PINCTRL_MESON_S4) += pinctrl-meson-s4.o
+obj-$(CONFIG_PINCTRL_AMLOGIC_A4) += pinctrl-amlogic-a4.o
    obj-$(CONFIG_PINCTRL_AMLOGIC_C3) += pinctrl-amlogic-c3.o
    obj-$(CONFIG_PINCTRL_AMLOGIC_T7) += pinctrl-amlogic-t7.o
diff --git a/drivers/pinctrl/meson/pinctrl-amlogic-a4.c b/drivers/pinctrl/meson/pinctrl-amlogic-a4.c
new file mode 100644
index 000000000000..dee1ae43edb5
--- /dev/null
+++ b/drivers/pinctrl/meson/pinctrl-amlogic-a4.c
@@ -0,0 +1,1176 @@
+// SPDX-License-Identifier: (GPL-2.0-only OR MIT)
+/*
+ * Pin controller and GPIO driver for Amlogic A4 SoC.
+ *
+ * Copyright (c) 2024 Amlogic, Inc. All rights reserved.
+ * Author: Xianwei Zhao <xianwei.zhao@xxxxxxxxxxx>
+ *         Huqiang Qin <huqiang.qin@xxxxxxxxxxx>
+ */
+
+#include <dt-bindings/gpio/amlogic-a4-gpio.h>

I do not see any usage of it.


The header file "amlogic-a4-gpio.h"  is used by AMLOGIC_PIN and
GPIO_GROUP_V2, The code used  is  AMLOGIC_GPIO().
This is binding definition.

Then all other defines are not used. AMLOGIC_GPIO is not used by DTS, so
how is that a binding? Don't stuff random defines into the bindings.


The AMlOGIC_GPIO definition depends on other definitions to be used.
It is not currently used by DTS, but will be used by other modules in
the future.

You keep disagreeing, addressing only some parts and ignoring the rest.
Explain me what do you bind here that you call it a "binding"?


I will drop it from "binding".

Best regards,
Krzysztof





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